English, Article, Journal or magazine article edition: Model Misspecification, Learning and the Exchange Rate Disconnect Puzzle V. LEWIS; A. MARKIEWICZ

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Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Model Misspecification, Learning and the Exchange Rate Disconnect Puzzle
Author
  • V. LEWIS
  • A. MARKIEWICZ
Physical Description
  • preprint
Notes
  • Rational expectations models fail to explain the disconnect between the ex-change rate and macroeconomic fundamentals. In line with survey evidence on the behaviour of foreign exchange traders, we introduce model misspecification and learning into a standard monetary model. Agents use simple forecasting rules based on a restricted information set. They learn about the parameters and performance of different models and can switch between forecasting rules. We compute the implied US-UK post-Bretton Woods exchange rate under learning. While the excess volatility of the exchange rate return can be reproduced with low values of the learning gain, the implied correlations with the fundamentals are higher than in the data.
  • exchange rate, disconnect, misspecification, learning
  • RePEc:rug:rugwps:09/​563
Language
  • English
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